1:03:01
sand can swallow cities,
even countries.
1:03:11
Did you know that?
1:03:13
A Roman town called Sabrata...
1:03:16
...and one in The Rubiyat...
1:03:20
...buried by tiny particles
one-eighth of a millimetre across.
1:03:30
You can't fight it!
1:03:33
It's hopeless!
1:03:43
Don't!
1:03:48
No!
1:03:50
I'll make a ladder!
1:03:53
Don't do that!